package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;


    @Mapper
    public interface ShoppingCartMapper {
        /**
         * 条件查询
         *
         * @param shoppingCart
         * @return
         */
        List<ShoppingCart> list(ShoppingCart shoppingCart);

        /**
         * 更新商品数量
         *
         * @param shoppingCart
         */
        @Update("update shopping_cart set number = #{number} where id = #{id}")
        void updateNumberById(ShoppingCart shoppingCart);

        /**
         * 插入购物车数据
         *
         * @param shoppingCart
         */
        @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
                " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
        void insert(ShoppingCart shoppingCart);

        /**
         * 根据用户id删除购物车数据
         *
         * @param userId
         */
        @Delete("delete from shopping_cart where user_id = #{userId}")
        void deleteByUserId(Long userId);

    }
